Pʻahanjip ; Pohanjip ; Yŏgong pʻaesŏl / Yi Il-lo, Chʻoe Cha, Yi Che-hyŏn [chŏ] ; Yi Sang-bo yŏkIl-lo Yi · First published 1972Open the Tome
Yi Kyu-bo; Yi Che-hyŏn; Yi Saek; Chŏng Mong-ju; Kwŏn KŭnSang-yŏng Yi · First published 1972Open the Tome